Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 

TLS Online TPP Program

#Question id: 3653

#3. Fundamental Processes

Cyclobutane pyrimidine dimers are formed by -------------from adjacent pyrimidines on one strand by cyclization of the double-bonded C5 and C6carbon atoms of each base to give a cyclobutane ring.

TLS Online TPP Program

#Question id: 23177

#13. Methods in Biology

(FRET) technique uses a pair of fluorescent proteins in which the emission wavelength of the first is 

TLS Online TPP Program

#Question id: 24117

#Aptitude

I got a vicarious thrill watching you on the diving board.

TLS Online TPP Program

#Question id: 23157

#13. Methods in Biology

Immunofluorescence microscopy, the most widely used method of detecting 

TLS Online TPP Program

#Question id: 15011

#8. Inheritance Biology

Which of the following statements about a lethal allele is NOT correct?